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首页> 美国卫生研究院文献>Medicina >The Effect of Functional Electrical Stimulation and Therapeutic Exercises on Trunk Muscle Tone and Dynamic Sitting Balance in Persons with Chronic Spinal Cord Injury: A Crossover Trial
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The Effect of Functional Electrical Stimulation and Therapeutic Exercises on Trunk Muscle Tone and Dynamic Sitting Balance in Persons with Chronic Spinal Cord Injury: A Crossover Trial

机译：功能性电刺激和治疗性运动对慢性脊髓损伤患者躯干肌张力和动态坐姿平衡的影响：一项交叉试验

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Functional electrical stimulation (FES) has shown good results in improving static and dynamic sitting balance in persons with spinal cord injuries. There is limited information about how regular surface FES combined with therapeutic exercise (TE) affect dynamic sitting balance and muscle tone. The objective of this study was to evaluate the effectiveness of a six-week physical therapy program consisting of FES and TE on muscle tone and sitting balance in persons with spinal cord injury (SCI). It was also important to explore the relationship between muscle tone and dynamic sitting balance. The third objective was to assess the change of characteristics over a six month period, when no intervention was carried out. Five men with SCI were alternately allocated to two study groups: SCI_FES+TE and SCI_TE. Eight healthy control group participants were recruited to collect reference data. SCI participants’ intervention lasted for six weeks in their homes. SCI_FES+TE conducted exercises with FES applied on erector spinae (ES) and rectus abdominis (RA) muscles. SCI_TE conducted exercises only. Muscle oscillation frequency (MOF; characterizing muscle tone) and limits of stability (LOS; characterizing sitting balance) were measured. A crossover study design was used. The time between the initial intervention and the crossover was seven months (ClinicalTrials registration ID ). MOF in SCI_FES+TE increased by 6.0% for ES and 6.1% for RA muscles. LOS of flexion increased 30.1% in SCI_FES+TE. Increase in lateral directions was similar for both study groups. Moderate to high negative correlation was found between MOF and LOS. After seven months, MOF of ES decreased 0.8%, MOF or RA decreased 1.4%, LOS of flexion decreased 31.9%, and LOS of lateral flexion to the left decreased 46.4%. The six-week therapy program combining FES and TE increased trunk muscle tone and dynamic sitting balance in flexion more than TE alone. Higher antagonist muscle tone negatively affects dynamic sitting balance and center of pressure (COP) trajectory distance in various directions. After seven months, a slight decline in trunk muscles tone values and an extensive decrease in sitting balance values were noticed.
机译：功能性电刺激（FES）在改善脊髓损伤患者的静态和动态坐姿平衡方面已显示出良好的效果。关于常规的表面FES与治疗性锻炼（TE）结合如何影响动态坐姿平衡和肌肉张力的信息有限。这项研究的目的是评估由FES和TE组成的为期六周的物理治疗计划对脊髓损伤（SCI）的人的肌张力和坐姿平衡的有效性。探索肌肉张力与动态坐姿平衡之间的关系也很重要。第三个目标是评估六个月内没有进行干预时的特征变化。五名患有SCI的男性被交替分配到两个研究组：SCI_FES + TE和SCI_TE。招募了八名健康对照组参与者以收集参考数据。 SCI参与者的干预在他们的家中持续了六个星期。 SCI_FES + TE在直立脊柱（ES）和腹直肌（RA）肌肉上应用FES进行了锻炼。 SCI_TE仅进行了练习。测量了肌肉的振荡频率（MOF；表征肌肉张力）和稳定性极限（LOS；表征坐姿平衡）。使用交叉研究设计。从初始干预到交叉治疗的时间为七个月（ClinicalTrials注册ID）。 ES的SCI_FES + TE中的MOF上升，RA肌肉的MOF上升6.1％。 SCI_FES + TE的屈曲LOS增加30.1％。两个研究组的横向增加相似。在MOF和LOS之间发现了中度到高度负相关。七个月后，ES的MOF下降0.8％，MOF或RA下降1.4％，屈曲LOS下降31.9％，左侧屈曲LOS下降46.4％。结合FES和TE的为期六周的治疗计划比单独使用TE更能增强躯干肌张力和动态坐姿平衡。较高的拮抗肌张力会对各个方向上的动态坐姿平衡和压力中心（COP）轨迹距离产生负面影响。七个月后，发现躯干肌张力值略有下降，而坐姿平衡值则大幅下降。

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